/* Importation de typographies modernes depuis Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Plus+Jakarta+Sans:wght@600;700;800&display=swap');

:root {
  --primary: #11281D;           /* Vert sapin plus profond */
  --primary-hover: #1A3C2C;     
  --accent: #F59E0B;            /* Ocre/Ambre plus punchy et moderne */
  --accent-hover: #D97706;
  --bg: #F8FAFC;                /* Fond très légèrement teinté, moderne */
  --card-bg: #FFFFFF;
  --text: #0F172A;              /* Anthracite très sombre pour une meilleure lisibilité */
  --text-muted: #64748B;
  --border: #E2E8F0;            /* Bordure plus subtile */
  
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
}

* { 
  box-sizing: border-box; 
  margin: 0; 
  padding: 0; 
}

body { 
  font-family: var(--font-sans); 
  background: var(--bg); 
  color: var(--text); 
  line-height: 1.5; 
  -webkit-font-smoothing: antialiased;
}

/* Navbar */
.navbar { 
  background: var(--primary); 
  color: white; 
  border-bottom: 3px solid var(--accent); 
  padding: 1rem 2rem; 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
}

.logo { 
  font-family: var(--font-heading);
  font-weight: 800; 
  font-size: 1.35rem; 
  color: white; 
  letter-spacing: -0.02em;
}

.logo span { 
  color: var(--accent); 
}

.badge { 
  font-family: var(--font-heading);
  background: var(--accent); 
  color: #1E293B; 
  padding: 0.3rem 0.85rem; 
  border-radius: 999px; 
  font-size: 0.75rem; 
  font-weight: 700; 
  letter-spacing: 0.02em;
}

/* Nouveau style du bouton "Comment ça marche ?" */
.btn-how-it-works {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s ease;
  backdrop-filter: blur(4px);
}

.btn-how-it-works:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-1px);
}

/* Layout */
.container { 
  max-width: 900px; 
  margin: 2.5rem auto; 
  padding: 0 1rem; 
}

.mt-20 { 
  margin-top: 1.5rem; 
}

/* Tabs */
.tabs { 
  display: flex; 
  gap: 0.5rem; 
  border-bottom: 2px solid var(--border); 
  margin-bottom: 1.5rem; 
}

.tab-btn { 
  font-family: var(--font-heading);
  background: none; 
  border: none; 
  padding: 0.75rem 1.25rem; 
  font-size: 0.95rem; 
  font-weight: 600; 
  color: var(--text-muted); 
  cursor: pointer; 
  border-bottom: 2px solid transparent; 
  margin-bottom: -2px; 
  transition: color 0.2s ease;
}

.tab-btn.active { 
  color: var(--primary); 
  border-color: var(--accent); 
  font-weight: 700; 
}

.tab-content { 
  display: none; 
}

.tab-content.active { 
  display: block; 
}

/* Cards & Forms */
.card { 
  background: var(--card-bg); 
  padding: 1.75rem; 
  border-radius: 12px; 
  border: 1px solid var(--border); 
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.02); 
}

.card h2, .card h3 { 
  font-family: var(--font-heading);
  font-size: 1.15rem; 
  color: var(--primary); 
  margin-bottom: 1.25rem; 
  border-bottom: 1px solid var(--border); 
  padding-bottom: 0.6rem; 
  font-weight: 700; 
  letter-spacing: -0.01em;
}

.form-grid { 
  display: grid; 
  grid-template-columns: repeat(2, 1fr); 
  gap: 1.25rem; 
}

.span-2 { 
  grid-column: span 2; 
}

.form-group { 
  display: flex; 
  flex-direction: column; 
  gap: 0.4rem; 
}

.form-group label { 
  font-family: var(--font-heading);
  font-size: 0.75rem; 
  font-weight: 700; 
  text-transform: uppercase; 
  letter-spacing: 0.05em;
  color: var(--text-muted); 
}

.form-group input, .form-group select { 
  font-family: var(--font-sans);
  padding: 0.65rem 0.8rem; 
  border: 1px solid var(--border); 
  border-radius: 8px; 
  font-size: 0.95rem; 
  outline: none; 
  background: #FFFFFF; 
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus, .form-group select:focus { 
  border-color: var(--primary); 
  box-shadow: 0 0 0 3px rgba(17, 40, 29, 0.1);
}

.form-actions { 
  grid-column: span 2; 
  display: flex; 
  justify-content: flex-end; 
  margin-top: 0.5rem; 
}

.btn { 
  font-family: var(--font-heading);
  padding: 0.65rem 1.35rem; 
  border: none; 
  border-radius: 8px; 
  font-size: 0.9rem;
  font-weight: 600; 
  cursor: pointer; 
  transition: all 0.2s ease; 
}

.btn-primary { 
  background: var(--primary); 
  color: white; 
}

.btn-primary:hover { 
  background: var(--primary-hover); 
  transform: translateY(-1px);
}

.btn-accent { 
  background: var(--accent); 
  color: #1E293B; 
}

.btn-accent:hover { 
  background: var(--accent-hover); 
  transform: translateY(-1px);
}

/* Data Lists */
.data-list { 
  list-style: none; 
}

.data-list li { 
  padding: 1rem 0.5rem; 
  border-bottom: 1px solid var(--border); 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
  font-size: 0.95rem; 
}

.data-list li:last-child { 
  border-bottom: none; 
}

.data-list .empty { 
  color: var(--text-muted); 
  font-style: italic; 
  justify-content: center; 
  padding: 1.5rem 0; 
}

/* History Table */
.history-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.5rem;
  font-size: 0.95rem;
}

.history-table th {
  font-family: var(--font-heading);
  padding: 12px 16px;
  background-color: #F1F5F9;
  color: #475569;
  font-weight: 600;
  border-bottom: 2px solid var(--border);
}

.history-table td {
  padding: 14px 16px;
  border-bottom: 1px solid #F1F5F9;
  color: #0F172A;
}

.history-table tbody tr:hover {
  background-color: #F8FAFC;
}

.history-table .empty {
  text-align: center;
  color: #94A3B8;
  padding: 2rem 0;
  font-style: italic;
}